He joins from New Zealand's Republik Communications, where he was a senior copywriter.
His 17-year career includes spells at Ogilvy & Mather India, Lowe Bangalore, Grey and Singleton Ogilvy & Mather in New Zealand. Clients he has worked for include Microsoft and Peugeot.
Jean-Paul Burge, the BBDO Singapore managing director, said: "Over the past 12 months, we have won a number of new accounts, attracted talented high-profile people and have developed great work for our clients. Ravi is another terrific addition to the team."